/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
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* questions .
*/
/* @test
* @ bug 8078891
* @ summary Ensure close ( ) closes all component streams
*/
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.SequenceInputStream;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
public class Close {
public static void main(String[] argv) {
byte [] buf = new byte [42 ];
List<CloseableBAOS> list = List.of(new CloseableBAOS(buf),
new CloseableBAOS(buf), new CloseableBAOS(buf),
new CloseableBAOS(buf));
Enumeration<CloseableBAOS> enumeration = Collections.enumeration(list);
SequenceInputStream sequence = new SequenceInputStream(enumeration);
try {
sequence.close();
throw new RuntimeException("Expected IOException not thrown" );
} catch (IOException e) {
for (CloseableBAOS c : list) {
if (!c.isClosed()) {
throw new RuntimeException("Component stream not closed" );
}
}
Throwable[] suppressed = e.getSuppressed();
if (suppressed == null ) {
throw new RuntimeException("No suppressed exceptions" );
} else if (suppressed.length != list.size() - 1 ) {
throw new RuntimeException("Expected " + (list.size() - 1 ) +
" suppressed exceptions but got " + suppressed.length);
}
for (Throwable t : suppressed) {
if (!(t instanceof IOException)) {
throw new RuntimeException("Expected IOException but got " +
t.getClass().getName());
}
}
}
}
static class CloseableBAOS extends ByteArrayInputStream{
private boolean closed;
CloseableBAOS(byte [] buf) {
super (buf);
}
@Override
public void close() throws IOException {
closed = true ;
throw new IOException();
}
public boolean isClosed() {
return closed;
}
}
}
Messung V0.5 in Prozent C=95 H=91 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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